US PATENT SUBCLASS 123 / 568.15
.~.~ Having exhaust gas mixed with a constituent before entry into intake manifold

Current as of: June, 1999
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123 /   HD   INTERNAL-COMBUSTION ENGINES

434  DF  CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL) {29}
568.11  DF  .~ Exhaust gas used with the combustible mixture (e.g., emission control Exhaust Gas Recirculation (EGR) valve) {10}
568.15.~.~ Having exhaust gas mixed with a constituent before entry into intake manifold

DEFINITION

Classification: 123/568.15

Having exhaust gas mixed with a constituent before entry into intake manifold:

(under subclass 568.11) Subject matter wherein the products of combustion are combined with another fluid prior to admission into the intake manifold.

SEE OR SEARCH THIS CLASS, SUBCLASS:

3, for recirculating of the products of combustion to cause a chemical reaction with the fuel prior to combustion (e.g., alcohol reforming, hydrogen releasing, etc.).

25+, for the addition of water to the combustible mixture (e.g., fuel and oxidant, EGR) before entrance into the combustion chamber.